<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>My website</title>
		<style type="text/css">
			body{
				margin:0;
			}
			baby{
				position: absolute;
				widrth: 100px;
				height: 100px;
				background: orange;
				z-index:2;
			}
		</style>
	</head>
	<body>
		<!-- <div class="father">
			<div class="box"></div>
		</div> -->
		<span class="baby"></span>
		<span class="baby1"></span>
	</body>
</html>